drivers/amlogic/media/common/ge2d/bitblt.c

/*
 * drivers/amlogic/media/common/ge2d/bitblt.c
 *
 * Copyright (C) 2017 Amlogic, Inc. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 */

/* Amlogic Headers */
#include <linux/amlogic/media/ge2d/ge2d.h>

static void _bitblt(struct ge2d_context_s *wq,
			   int src_x, int src_y, int w, int h,
			   int dst_x, int dst_y, int block)
{
	struct ge2d_cmd_s *ge2d_cmd_cfg = ge2d_wq_get_cmd(wq);

	ge2d_cmd_cfg->src1_x_start = src_x;
	ge2d_cmd_cfg->src1_x_end   = src_x + w - 1;
	ge2d_cmd_cfg->src1_y_start = src_y;
	ge2d_cmd_cfg->src1_y_end   = src_y + h - 1;

	ge2d_cmd_cfg->dst_x_start = dst_x;
	ge2d_cmd_cfg->dst_x_end   = dst_x + w - 1;
	ge2d_cmd_cfg->dst_y_start = dst_y;
	ge2d_cmd_cfg->dst_y_end   = dst_y + h - 1;

	ge2d_cmd_cfg->sc_hsc_en = 0;
	ge2d_cmd_cfg->sc_vsc_en = 0;
	ge2d_cmd_cfg->hsc_rpt_p0_num = 0;
	ge2d_cmd_cfg->vsc_rpt_l0_num = 0;
	ge2d_cmd_cfg->hsc_div_en = 0;
	ge2d_cmd_cfg->hsc_adv_num = 0;

	ge2d_cmd_cfg->color_blend_mode = OPERATION_LOGIC;
	ge2d_cmd_cfg->color_logic_op   = LOGIC_OPERATION_COPY;
	ge2d_cmd_cfg->alpha_blend_mode = OPERATION_LOGIC;
	ge2d_cmd_cfg->alpha_logic_op   = LOGIC_OPERATION_COPY;
	ge2d_cmd_cfg->wait_done_flag   = block;

	ge2d_wq_add_work(wq);
}

static void _bitblt_noalpha(struct ge2d_context_s *wq,
				   int src_x, int src_y, int w, int h,
				   int dst_x, int dst_y, int block)
{
	struct ge2d_cmd_s *ge2d_cmd_cfg = ge2d_wq_get_cmd(wq);
	struct ge2d_dp_gen_s *dp_gen_cfg = ge2d_wq_get_dp_gen(wq);

	if (dp_gen_cfg->alu_const_color != 0xff) {
		dp_gen_cfg->alu_const_color = 0xff;
		wq->config.update_flag |= UPDATE_DP_GEN;
	}
	ge2d_cmd_cfg->src1_x_start = src_x;
	ge2d_cmd_cfg->src1_x_end   = src_x + w - 1;
	ge2d_cmd_cfg->src1_y_start = src_y;
	ge2d_cmd_cfg->src1_y_end   = src_y + h - 1;

	ge2d_cmd_cfg->dst_x_start  = dst_x;
	ge2d_cmd_cfg->dst_x_end    = dst_x + w - 1;
	ge2d_cmd_cfg->dst_y_start  = dst_y;
	ge2d_cmd_cfg->dst_y_end    = dst_y + h - 1;

	ge2d_cmd_cfg->sc_hsc_en = 0;
	ge2d_cmd_cfg->sc_vsc_en = 0;
	ge2d_cmd_cfg->hsc_rpt_p0_num = 0;
	ge2d_cmd_cfg->vsc_rpt_l0_num = 0;
	ge2d_cmd_cfg->hsc_div_en = 0;
	ge2d_cmd_cfg->hsc_adv_num = 0;

	ge2d_cmd_cfg->color_blend_mode = OPERATION_LOGIC;
	ge2d_cmd_cfg->color_logic_op   = LOGIC_OPERATION_COPY;
	ge2d_cmd_cfg->alpha_blend_mode = OPERATION_LOGIC;
	ge2d_cmd_cfg->alpha_logic_op   = LOGIC_OPERATION_SET;
	ge2d_cmd_cfg->wait_done_flag   = block;

	ge2d_wq_add_work(wq);
}

void bitblt(struct ge2d_context_s *wq,
	    int src_x, int src_y, int w, int h,
	    int dst_x, int dst_y)
{
	_bitblt(wq, src_x, src_y, w, h, dst_x, dst_y, 1);
}
EXPORT_SYMBOL(bitblt);

void bitblt_noblk(struct ge2d_context_s *wq,
		  int src_x, int src_y, int w, int h,
		  int dst_x, int dst_y)
{
	_bitblt(wq, src_x, src_y, w, h, dst_x, dst_y, 0);
}
EXPORT_SYMBOL(bitblt_noblk);

void bitblt_noalpha(struct ge2d_context_s *wq,
		    int src_x, int src_y, int w, int h,
		    int dst_x, int dst_y)
{
	_bitblt_noalpha(wq, src_x, src_y, w, h, dst_x, dst_y, 1);
}
EXPORT_SYMBOL(bitblt_noalpha);

void bitblt_noalpha_noblk(struct ge2d_context_s *wq,
			  int src_x, int src_y, int w, int h,
			  int dst_x, int dst_y)
{
	_bitblt_noalpha(wq, src_x, src_y, w, h, dst_x, dst_y, 0);
}
EXPORT_SYMBOL(bitblt_noalpha_noblk);